Eukanaria

Demon who looks like Yuka even down to her measurements who loved Fulcanelli. She wishes to use Haruhikos body for his soul and is willing to even sleep with him if it means getting his body. She constantly tries to seduce Haruhiko by acting like Yuka but has shown some concern for Haruhiko. Unlike most demons she is use to the human world. Shes given so much of her power up she is more human than demon. She seems to have been vicious in the past as stated by many other characters but Fulcanelli changed her. She hates how she was in the past and states that if Fulcanelli cant be resurrected she would lose all reason for living. wiki